Versican

Part of speech: noun

Definitions

1. A large proteoglycan molecule found in the extracellular matrix of connective tissues, where it helps give tissues their structure and resilience
2. A big chondroitin sulfate proteoglycan present in the extracellular matrix that contributes to tissue structure and cell adhesion
3. A large extracellular matrix protein of the proteoglycan family, found especially in connective tissue and involved in cell signaling and tissue support

Etymology: "Versican" is a modern scientific coinage, not an ancient word. It was named in the late 1980s for a molecule discovered in connective tissue, and its name blends two Latin-based pieces: "versatile," a nod to the molecule's many roles in tissue, and the "-can" ending that echoes "chondroitin sulfate," the sugar chain that makes up much of its structure. The name was chosen by researchers working on the protein's core and its variants, so it reads as a deliberate label rather than a word that evolved over centuries. The "-can" ending is a kind of shorthand. Proteoglycans, the family to which versican belongs, are protein cores decorated with long chains of sugars called glycosaminoglycans. Chondroitin sulfate is one such chain, and it was named after cartilage, from Greek "chondros," meaning cartilage or grain. Versican carries several of these chains, which is why it is classed as a large proteoglycan, one that holds water and helps maintain the spacing and firmness of the extracellular matrix.

Synonyms: proteoglycan